Color

#1e00a3

#1e00a3
hex#1e00a3
rgbrgb(30, 0, 163)
hslhsl(251, 100%, 32%)
oklchoklch(0.334 0.217 271.1)
Closest name: Cobalt (#030aa7)Relative luminance 0.0292

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#85a300

#0034a3 · #7000a3

#a31e00 · #00a31e

Split-complementary

Open in tool →

#a37000 · #34a300

#a30034 · #85a300 · #00a370

Contrast

#1e00a3 as textRatioAAAA largeAAAFix
Aaon white
13.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #7657ff as the text (4.58:1)
  • AAA: use #9b85ff as the text (7.19:1)
  • AA: or shift the background to #999999 (4.65:1)
  • AAA: or shift the background to #bdbdbd (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e00a3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1e00a3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e00a3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1e00a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e00a3-a89cc4-dfb34e-281f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md